Leaf Stains on Concrete: Why They Happen and How to Remove Them
Introduction Leaf stains are usually tannins and other plant pigments left behind when wet leaves sit on concrete. On porous, unsealed concrete, the discoloration can move below the surface; on sealed, painted, decorative, or damaged concrete, the bigger concern is choosing a cleaner that will not alter the finish. Start with dry leaf removal, a […]
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